Dexter Barry pleaded with police, jail staff and a court judge that he needed his medication to maintain his heart transplant. The ACLU is urging a state investigation into the 54-year-old's death.
David Bennett, 57, died Tuesday at the University of Maryland Medical Center. He was the first person to receive a heart transplant from a pig.
It was a medical miracle: Surgery that made it possible for babies born with heart defects to live to adulthood. But for some, those mended hearts start to falter decades later.